The reefs are made of concrete with embedded limestone, to resemble the natural limestone found on the sea floor.

Bay County deployed the last set of artificial reefs on Wednesday. 30 more Bay County artificial reefs are now sitting on the ...

"Typically, with oyster reefs, you build using limestone, which has to be hauled in from quarries all over the country," said Garey Payne, Natural Disaster Recovery Division acquisition program ...

This process converts the reef into hard, dense limestone, a material frequently used as building material. Corals which only formed in the past 100,000 years are quickly altered. Although the ...